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Idaho

$626+ Cheap flights from England to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from England to Idaho

Cheapest flights from England to Idaho
Explore the most affordable flight options available from England to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 amLHR - BOI
2 stops33h 19mUnited Airlines
Mon 12/152:49 pmBOI - LHR
1 stop11h 51mUnited Airlines
Deal found 10/30$729
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:30 amLHR - BOI
2 stops21h 15mUnited Airlines
Mon 12/156:20 amBOI - LHR
1 stop20h 20mUnited Airlines
Deal found 10/30$732
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:30 amLHR - GEG
2 stops21h 29mUnited Airlines
Wed 12/35:25 amGEG - LHR
2 stops21h 25mUnited Airlines
Deal found 10/29$736
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:35 amLHR - BOI
2 stops18h 32mUnited Airlines
Sun 12/1412:16 pmBOI - LHR
1 stop34h 39mUnited Airlines
Deal found 10/30$740
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:35 amLHR - BOI
1 stop13h 32mLufthansa
Mon 12/152:49 pmBOI - LHR
1 stop11h 51mLufthansa
Deal found 10/30$748
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:45 pmLHR - GEG
1 stop17h 14mLufthansa
Wed 12/312:33 pmGEG - LHR
1 stop15h 27mLufthansa
Deal found 10/29$750
This The Travel House deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:10 amLHR - BOI
2 stops37h 57mLufthansa
Sun 12/142:49 pmBOI - LHR
2 stops37h 01mLufthansa
Deal found 10/29$756
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 amLHR - BOI
2 stops33h 19mUnited Airlines
Tue 12/169:40 amBOI - LHR
2 stops17h 45mUnited Airlines
Deal found 10/30$840
This TravelUp deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:40 pmLHR - GEG
2 stops19h 19mVirgin Atlantic
Thu 11/206:05 amGEG - LHR
1 stop17h 00mVirgin Atlantic
Deal found 10/29$861
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:40 amLHR - GEG
2 stops19h 23mDelta
Thu 11/207:05 amGEG - LHR
2 stops16h 00mDelta
Deal found 10/29$874
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 pmLHR - GEG
3 stops26h 45mMultiple Airlines
Wed 12/37:00 amGEG - LHR
2 stops20h 50mMultiple Airlines
Deal found 10/29$917
This Justfly.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:55 amLGW - BOI
2 stops16h 50mMultiple Airlines
Tue 12/165:45 amBOI - LGW
2 stops22h 10mMultiple Airlines
Deal found 10/29$917

Cheap flight deals from England to Idaho

Keep the following information in mind while searching for England to Idaho flight deals. Data was last updated October 30, 2025.

Round-trip from

$703
(Trip.com)

One-way from

$626
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$996
From England to Idaho
Search Deals
One-way flight from England to Idaho
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from England to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from England to Idaho that are best for you.

Fly from

England

Fly to

Idaho

Route

Depart

Return

Price

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 2/9

11:55 am-11:01 pm

2 stops18h 06m

Boise Air Term. Gowen Fld

Mon 2/16

6:28 am-10:55 am

2 stops21h 27m

$703

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

7:40 am-9:59 am

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 12/15

2:49 pm-9:40 am

1 stop11h 51m

$729

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/9

8:30 am-10:45 pm

2 stops21h 15m

Boise Air Term. Gowen Fld

Mon 12/15

6:20 am-9:40 am

1 stop20h 20m

$732

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 11/26

9:30 am-10:59 pm

2 stops21h 29m

Spokane

Wed 12/3

5:25 am-10:50 am

2 stops21h 25m

$736

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 3/10

6:35 am-9:20 pm

2 stops21h 45m

Spokane

Tue 3/17

6:05 am-6:20 am

2 stops17h 15m

$737

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/9

6:35 am-6:07 pm

2 stops18h 32m

Boise Air Term. Gowen Fld

Sun 12/14

12:16 pm-5:55 am

1 stop34h 39m

$740

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 2/23

7:30 am-9:32 pm

2 stops21h 02m

Boise Air Term. Gowen Fld

Wed 3/4

2:40 pm-9:40 am

1 stop12h 00m

$744

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 2/24

6:30 am-5:45 pm

2 stops18h 15m

Boise Air Term. Gowen Fld

Thu 3/5

6:15 am-9:40 am

1 stop20h 25m

$744

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 4/20

3:40 pm-10:21 pm

2 stops37h 41m

Boise Air Term. Gowen Fld

Mon 4/27

5:30 pm-2:40 pm

2 stops38h 10m

$850

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 11/12

12:40 pm-11:59 pm

2 stops19h 19m

Spokane

Thu 11/20

6:05 am-7:05 am

1 stop17h 00m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 46 results
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Best time to book a flight from England to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from England with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from England to Idaho

What is the cheapest month to book a flight from England to Idaho?

Currently, May is the cheapest month in which you can book a flight from England to Idaho (average of $723). Flying from England to Idaho in July is currently the most expensive (average of $905). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from England to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from England to Idaho?

    Departing from England to Idaho will take you 23h 24m. England and Idaho are separated by a distance of 4843 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from England to Idaho one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $1,080. Users have also found prices from $1,210 and $1,253 on Finnair and Lufthansa, respectively.

  • Can I find deals for flights from England to Idaho that include hotel bookings?

    Yes. In addition to deals on England to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from England to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from England to Idaho.

  • Can I find deals for business class flights from England to Idaho?

    Yes. Cheapflights offers flight deals from England to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from England to Idaho?

    Currently, May is the cheapest month in which you can book a flight from England to Idaho (average of $723). Flying from England to Idaho in July is currently the most expensive (average of $905). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for England to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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